Aircraft Radio Frequencies used for Aviation

This page covers Aircraft radio frequencies used as aviation frequency bands. It covers the frequencies used in aircraft systems which include LOS, VOR, GS, TCAS, ATCRBS, DME, GPS L2, GPS L5, L1 etc. The table-1 mentions the same.

Frequency range Aircraft system Radio spectrum
105 to 140 MHz LOS
VOR(Very High Frequency Omnidirectional Range)
VHF
108.1 to 111.95
108 to 117.95
118 to 188
325 to 340 MHz GS 328.6 to 335.4
960 to 1250 MHz TCAS(Traffic Alert and Collision Avoidance System)
ATCRBS(Air Traffic Control Radar Beacon System)
DME(Distance Measuring Equipment)
GPS L2
GPS L5
1090
1030
962 to 1213
1227.60
1176.45
1565 to 1585 MHz L1 1575.42 +/- 2

Aviation Radio Frequency Bands

The table-2 below mentions more details of aviation radio frequency bands with their respective band designation as per applications of use. These frequencies are used worldwide.

Frequency Range Band Designation
190 - 435 & 510 - 535 kHz Non-directional Beacons (NDB)
2100 - 28,000 kHz HF Radio Communications
75 MHz NAV-AID (Marker Beacons)
108 - 112 MHz VOR and ILS Localizer
112 - 118 MHz VOR, SCAT-I Radio navigation link
118 - 137 MHz VHF Air & Ground Communications
138 - 150.8 & 162 - 174 MHz Fixed, Mobile
225 - 328.6 & 335.4 - 400 MHz UHF Air , Ground Communications (in US Military)
328.6 - 335.4 MHz ILS Glide Slope
406.1 - 420 MHz Fixed, Mobile
932 - 935 & 941 - 944 MHz RMM, LLWAS, LDRCL etc.
960 - 1215 MHz NAV-AID (TACAN / DME, etc.)
1030 & 1090 MHz Air Traffic Control Radar Beacon, Mode S, TCAS
1215 - 1400 MHz Air Route Surveillance Radar, GPS and GLONASS L1
1545 - 1559 MHz Satellite Based Communication (To the Aircraft)
1559 - 1610 MHz Satellite Navigation , GPS and GLONASS L1
1646.5-1660.5MHz Satellite Based Communication (From Aircraft)
1710 - 1850 MHz LDRCL, fixed links
2700 - 3000 MHz Airport Surveillance and Weather Radar
5000 - 5250 MHz Microwave Landing System
5600 - 5650 MHz TDWR
7125 - 8500 MHz RCL
9000 - 9200 MHz Military Precision Approach Radar
14.4 - 15.35 GHz Microwave Link
15.7 - 16.2 GHz Radar (e.g. ASDE-3)
21.2 - 23.6 GHz Microwave Communication Link

Also refer following link :
https://www.freqofnature.com/aviation/aviation_frequencies.html

LDACS(L Band Digital Aeronautical Communication System) RELATED LINKS

Difference between LDACS1 versus LDACS2
LDACS1 frame structure
LDACS2 frame structure
LDACS1 physical layer
LDACS2 physical layer
Difference between TDD and FDD
Air Traffic Management

RF and Wireless Terminologies